[INFO] fetching crate iot_hub 0.0.2...
[INFO] extracting crate iot_hub 0.0.2 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/iot_hub/0.0.2
[INFO] extracting crate iot_hub 0.0.2 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/iot_hub/0.0.2
[INFO] validating manifest of iot_hub-0.0.2 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:cargo-toml
[ERROR] caused by: missing Cargo.toml for iot_hub-0.0.2
[ERROR]